Packet #39436514 Success

POSITION_APP packet from Some User Lincoln Field (SULF) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 39436514
Mesh Packet ID: 0x0befe76b
Used for correlation across gateways
Timestamp: 2026-05-16 04:36:28 UTC
From Node: Some User Lincoln Field (SULF)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Some User Lincoln Field (SULF)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: ac SULF
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:45.364019°
Longitude:-75.772723°
Altitude:78 m
Precision:14 bits
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:27 bytes
Gateway:!b03c96ac
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03c96ac
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2956760748
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1778906186
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 172
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778906188.028002
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~1500.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b03c96ac
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.3640192, "longitude": -75.7727232, "altitude": 78, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03c96ac", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956760748, "to": 4294967295, "id": 200271723, "rx_time": 1778906186, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000a1b150000d6d2184e254af4076a28037800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 453640192, "longitude_i": -757727232, "altitude": 78, "time": 1778906186, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00000a1b150000d6d2184e254af4076a28037800800100b8010e
Hex Analysis:
Size:27 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations
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Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
Some User Lincoln Field (SULF) Primary 0.000s
Reference
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC Current
Some User Lincoln Field (SULF) -0.113s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.080s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.069s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.059s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.048s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.036s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.024s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.012s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.012s
After
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.023s
After
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.035s
After
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.047s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.058s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.069s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.080s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.091s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.102s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.112s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.124s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.135s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.147s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.160s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.172s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.184s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.196s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.208s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.219s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.232s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.243s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.253s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.264s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.275s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.286s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.297s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.308s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.319s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.331s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.343s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.356s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.368s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.379s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.391s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.402s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.414s
After
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
45

Total Receptions

1

Unique Gateways